ABSTRACT
Objective To investigate effects of oxidative stress, expression change of transforming growth factor-β1 and Nestin in re-nal injury of hyperthyroidism rats. Methods The model of hyperthyroidism rat was made by giving them levothyroxine (L-T4). The activity of SOD, CAT, GSH-Px and the level of MDA on the 25th day, the 45th day, and the 60th day were determined by chromatometry in renal cor-tex.. The expressions of TGF-β1 and Nestin on the 25th day, the 45th day, and the 60th day were determined by immunohistochemistry. Results Along with the course of hyperthyroidism, it showed activity of SOD, CAT, GSH-Px and the expression of Nestin reduced, while the level of MDA and the expression of TGF-β1 increased. Conclusion Oxidative stress can increas the expression of TGF-β1 and podocyte in-jury may played an important role in hyperthyroidism renal injury.